7.8
HIGH
CVE-2023-4147
Linux Netfilter Use-After-Free Vulnerability
Description

A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.

INFO

Published Date :

Aug. 7, 2023, 2:15 p.m.

Last Modified :

Nov. 21, 2024, 8:34 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2023-4147 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat enterprise_linux_server_aus
3 Redhat enterprise_linux_eus
4 Redhat enterprise_linux_for_real_time
5 Redhat enterprise_linux_for_real_time_for_nfv
1 Linux linux_kernel
1 Fedoraproject fedora
1 Debian debian_linux
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-4147.

URL Resource
https://access.redhat.com/errata/RHSA-2023:5069 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5091 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5093 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7382 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7389 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7411 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4147 Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2225239 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ebc1064e4874d5987722a2ddbc18f94aa53b211 Mailing List Patch
https://www.spinics.net/lists/stable/msg671573.html Mailing List Patch
https://access.redhat.com/errata/RHSA-2023:5069 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5091 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:5093 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7382 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7389 Third Party Advisory
https://access.redhat.com/errata/RHSA-2023:7411 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4147 Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2225239 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ebc1064e4874d5987722a2ddbc18f94aa53b211 Mailing List Patch
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://security.netapp.com/advisory/ntap-20231020-0006/
https://www.debian.org/security/2023/dsa-5480
https://www.debian.org/security/2023/dsa-5492
https://www.spinics.net/lists/stable/msg671573.html Mailing List Patch

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-4147 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-4147 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2023:5069
    Added Reference https://access.redhat.com/errata/RHSA-2023:5091
    Added Reference https://access.redhat.com/errata/RHSA-2023:5093
    Added Reference https://access.redhat.com/errata/RHSA-2023:7382
    Added Reference https://access.redhat.com/errata/RHSA-2023:7389
    Added Reference https://access.redhat.com/errata/RHSA-2023:7411
    Added Reference https://access.redhat.com/security/cve/CVE-2023-4147
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2225239
    Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ebc1064e4874d5987722a2ddbc18f94aa53b211
    Added Reference https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
    Added Reference https://security.netapp.com/advisory/ntap-20231020-0006/
    Added Reference https://www.debian.org/security/2023/dsa-5480
    Added Reference https://www.debian.org/security/2023/dsa-5492
    Added Reference https://www.spinics.net/lists/stable/msg671573.html
  • CVE Modified by [email protected]

    Sep. 16, 2024

    Action Type Old Value New Value
    Removed Reference Red Hat, Inc. https://www.debian.org/security/2023/dsa-5480
    Removed Reference Red Hat, Inc. https://www.debian.org/security/2023/dsa-5492
    Removed Reference Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
    Removed Reference Red Hat, Inc. https://security.netapp.com/advisory/ntap-20231020-0006/
  • Modified Analysis by [email protected]

    Aug. 26, 2024

    Action Type Old Value New Value
    Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7382 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7382 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7389 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7389 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2023:7411 No Types Assigned https://access.redhat.com/errata/RHSA-2023:7411 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.5 *cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:* OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.9 up to (excluding) 5.10.190 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.124 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.43 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.4.8 *cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 21, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7382 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7389 [No types assigned]
    Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2023:7411 [No types assigned]
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added CWE Red Hat, Inc. CWE-416
  • Modified Analysis by [email protected]

    Nov. 02, 2023

    Action Type Old Value New Value
    Changed Reference Type https://access.redhat.com/errata/RHSA-2023:5069 No Types Assigned https://access.redhat.com/errata/RHSA-2023:5069 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2023:5091 No Types Assigned https://access.redhat.com/errata/RHSA-2023:5091 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2023:5093 No Types Assigned https://access.redhat.com/errata/RHSA-2023:5093 Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html Mailing List, Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20231020-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20231020-0006/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2023/dsa-5480 No Types Assigned https://www.debian.org/security/2023/dsa-5480 Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2023/dsa-5492 No Types Assigned https://www.debian.org/security/2023/dsa-5492 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* OR *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_eus:9.2:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_real_time:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:9.2:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 20, 2023

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20231020-0006/ [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 20, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 12, 2023

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2023:5091 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2023:5069 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2023:5093 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 10, 2023

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2023/dsa-5492 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 19, 2023

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2023/dsa-5480 [No Types Assigned]
  • Initial Analysis by [email protected]

    Aug. 15, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://access.redhat.com/security/cve/CVE-2023-4147 No Types Assigned https://access.redhat.com/security/cve/CVE-2023-4147 Patch, Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2225239 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2225239 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ebc1064e4874d5987722a2ddbc18f94aa53b211 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ebc1064e4874d5987722a2ddbc18f94aa53b211 Mailing List, Patch
    Changed Reference Type https://www.spinics.net/lists/stable/msg671573.html No Types Assigned https://www.spinics.net/lists/stable/msg671573.html Mailing List, Patch
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.5 *cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-4147 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-4147 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} -0.00%

score

0.05085

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability